--- a/jdk/make/lib/NioLibraries.gmk	Tue Jan 19 11:43:01 2016 -0800
+++ b/jdk/make/lib/NioLibraries.gmk	Wed Jan 20 09:54:13 2016 +0100
@@ -91,7 +91,7 @@
         -D "JDK_INTERNAL_NAME=nio" \
         -D "JDK_FTYPE=0x2L", \
     OBJECT_DIR := $(SUPPORT_OUTPUTDIR)/native/$(MODULE)/libnio, \
-    DEBUG_SYMBOLS := $(DEBUG_ALL_BINARIES)))
+))
 
 TARGETS += $(BUILD_LIBNIO)